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Rough idle or shakingVibration while stopped Hard to startLong cranking or no-start Engine stallsCuts out at idle or on the road Hesitates or loses powerSlow response when accelerating Battery light is onCharging system warning Harsh gear changesDelayed or rough shifting

A symptom can have several causes. Treat matching codes as clues and follow the diagnostic checks in each guide.

Sensors & Electronics P · Powertrain Clear all

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Engine1049 Emissions515 Fuel1016 Sensors & Electronics2110 Transmission866 Electrical & Charging1797 Body & Restraints193 Chassis & Brakes479 Network & Communication1228

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All severities9253 Low priority305 Check soon8256 Urgent621

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All families9253 P · Powertrain7353 B · Body193 C · Chassis479 U · Network1228

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These are generic OBD2 definitions. Exact make, model, engine, and year compatibility will appear after vehicle-fitment data is added.

Diagnostic codes

Showing 1609–1632 of 2110

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P265EB Rocker Arm Actuator Position Sensor Circuit Intermittent/Erratic Bank 1Check soonSensors & Electronics30–120 minutes for initial diagnosisP265E relates to b rocker arm actuator position sensor circuit intermittent/erratic bank 1. Check the fault conditions and vehicle-specific procedure before replacing parts.P265FVariable A/C Compressor Control Circuit Range/PerformanceLow prioritySensors & Electronics30–120 minutes for initial diagnosisP265F relates to variable a/c compressor control circuit range/performance. Check the fault conditions and vehicle-specific procedure before replacing parts.P2660B Rocker Arm Actuator Control Circuit/Open Bank 2Check soonSensors & Electronics30–120 minutes for initial diagnosisP2660 relates to b rocker arm actuator control circuit/open bank 2. Check the fault conditions and vehicle-specific procedure before replacing parts.P2661B Rocker Arm Actuator System Performance/Stuck Off Bank 2Check soonSensors & Electronics30–120 minutes for initial diagnosisP2661 relates to b rocker arm actuator system performance/stuck off bank 2. Check the fault conditions and vehicle-specific procedure before replacing parts.P2662B Rocker Arm Actuator System Stuck On Bank 2Check soonSensors & Electronics30–120 minutes for initial diagnosisP2662 relates to b rocker arm actuator system stuck on bank 2. Check the fault conditions and vehicle-specific procedure before replacing parts.P2663B Rocker Arm Actuator Control Circuit Low Bank 2Check soonSensors & Electronics30–120 minutes for initial diagnosisP2663 relates to b rocker arm actuator control circuit low bank 2. Check the fault conditions and vehicle-specific procedure before replacing parts.P2664B Rocker Arm Actuator Control Circuit High Bank 2Check soonSensors & Electronics30–120 minutes for initial diagnosisP2664 relates to b rocker arm actuator control circuit high bank 2. Check the fault conditions and vehicle-specific procedure before replacing parts.P266AA Rocker Arm Actuator Position Sensor Circuit Bank 2Check soonSensors & Electronics30–120 minutes for initial diagnosisP266A relates to a rocker arm actuator position sensor circuit bank 2. Check the fault conditions and vehicle-specific procedure before replacing parts.P266BA Rocker Arm Actuator Position Sensor Circuit Range/Performance Bank 2Check soonSensors & Electronics30–120 minutes for initial diagnosisP266B relates to a rocker arm actuator position sensor circuit range/performance bank 2. Check the fault conditions and vehicle-specific procedure before replacing parts.P266CA Rocker Arm Actuator Position Sensor Circuit Low Bank 2Check soonSensors & Electronics30–120 minutes for initial diagnosisP266C relates to a rocker arm actuator position sensor circuit low bank 2. Check the fault conditions and vehicle-specific procedure before replacing parts.P266DA Rocker Arm Actuator Position Sensor Circuit High Bank 2Check soonSensors & Electronics30–120 minutes for initial diagnosisP266D relates to a rocker arm actuator position sensor circuit high bank 2. Check the fault conditions and vehicle-specific procedure before replacing parts.P266EA Rocker Arm Actuator Position Sensor Circuit Intermittent/Erratic Bank 2Check soonSensors & Electronics30–120 minutes for initial diagnosisP266E relates to a rocker arm actuator position sensor circuit intermittent/erratic bank 2. Check the fault conditions and vehicle-specific procedure before replacing parts.P266FA/C Refrigerant Distribution Valve A Control Circuit Driver Current/Temperature Too HighCheck soonSensors & Electronics30–120 minutes for initial diagnosisP266F relates to a/c refrigerant distribution valve a control circuit driver current/temperature too high. Check the fault conditions and vehicle-specific procedure before replacing parts.P2675Air Cleaner Inlet Control Circuit/OpenCheck soonSensors & Electronics30–120 minutes for initial diagnosisP2675 relates to air cleaner inlet control circuit/open. Check the fault conditions and vehicle-specific procedure before replacing parts.P2676Air Cleaner Inlet Control Circuit LowCheck soonSensors & Electronics30–120 minutes for initial diagnosisP2676 relates to air cleaner inlet control circuit low. Check the fault conditions and vehicle-specific procedure before replacing parts.P2677Air Cleaner Inlet Control Circuit HighCheck soonSensors & Electronics30–120 minutes for initial diagnosisP2677 relates to air cleaner inlet control circuit high. Check the fault conditions and vehicle-specific procedure before replacing parts.P267AB Rocker Arm Actuator Position Sensor Circuit Bank 2Check soonSensors & Electronics30–120 minutes for initial diagnosisP267A relates to b rocker arm actuator position sensor circuit bank 2. Check the fault conditions and vehicle-specific procedure before replacing parts.P267BB Rocker Arm Actuator Position Sensor Circuit Range/Performance Bank 2Check soonSensors & Electronics30–120 minutes for initial diagnosisP267B relates to b rocker arm actuator position sensor circuit range/performance bank 2. Check the fault conditions and vehicle-specific procedure before replacing parts.P267CB Rocker Arm Actuator Position Sensor Circuit Low Bank 2Check soonSensors & Electronics30–120 minutes for initial diagnosisP267C relates to b rocker arm actuator position sensor circuit low bank 2. Check the fault conditions and vehicle-specific procedure before replacing parts.P267DB Rocker Arm Actuator Position Sensor Circuit High Bank 2Check soonSensors & Electronics30–120 minutes for initial diagnosisP267D relates to b rocker arm actuator position sensor circuit high bank 2. Check the fault conditions and vehicle-specific procedure before replacing parts.P267EB Rocker Arm Actuator Position Sensor Circuit Intermittent/Erratic Bank 2Check soonSensors & Electronics30–120 minutes for initial diagnosisP267E relates to b rocker arm actuator position sensor circuit intermittent/erratic bank 2. Check the fault conditions and vehicle-specific procedure before replacing parts.P267FControl Module Internal Temperature Sensor A Circuit Intermittent/ErraticCheck soonSensors & Electronics30–120 minutes for initial diagnosisP267F relates to control module internal temperature sensor a circuit intermittent/erratic. Check the fault conditions and vehicle-specific procedure before replacing parts.P269BExhaust Aftertreatment Glow Plug Control Circuit/OpenCheck soonSensors & Electronics30–120 minutes for initial diagnosisP269B relates to exhaust aftertreatment glow plug control circuit/open. Check the fault conditions and vehicle-specific procedure before replacing parts.P269CExhaust Aftertreatment Glow Plug Control PerformanceCheck soonSensors & Electronics30–120 minutes for initial diagnosisP269C relates to exhaust aftertreatment glow plug control performance. Check the fault conditions and vehicle-specific procedure before replacing parts.